The LMR23630AFQDDARQ1 is a robust, automotive-grade, step-down buck converter designed and manufactured by Texas Instruments. This high-performance power management integrated circuit (PMIC) is engineered to meet the stringent requirements of automotive applications, delivering reliable and efficient power conversion for a wide range of systems.

Key Features

• Input Voltage Range: The device supports a wide input voltage range from 3.8V to 36V, making it versatile for various automotive power supply scenarios, including those subjected to cold-crank and stop-start conditions.
• Output Current Capability: It can deliver up to 3A of continuous output current, ensuring ample power for demanding automotive loads.
• High Efficiency: With an efficiency of up to 92%, the LMR23630AFQDDARQ1 minimizes power loss, thereby reducing heat and improving system reliability.
• Adjustable Switching Frequency: The switching frequency is adjustable from 200kHz to 2.2MHz, allowing designers to optimize for efficiency or component size.
• Thermal Performance: Enhanced thermal performance is achieved through a 3.5mm x 3.5mm thermally enhanced VQFN package, ensuring operation within the temperature range of -40°C to +125°C.

Applications

The LMR23630AFQDDARQ1 is ideal for a variety of automotive applications, including infotainment systems, advanced driver assistance systems (ADAS), and other power-sensitive automotive subsystems. Its robust design also makes it suitable for power conditioning and general-purpose step-down applications in the harsh automotive environment.

Quality and Reliability

As an AEC-Q100 qualified device, the LMR23630AFQDDARQ1 meets the reliability standards required for automotive equipment. It also features built-in protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring safe operation under abnormal operating conditions.

Design Support

Texas Instruments provides comprehensive design support for the LMR23630AFQDDARQ1 with tools such as the WEBENCH® Designer, application notes, and evaluation modules, helping to accelerate the design process and time-to-market for automotive system designers.